California Compliant Franklin Armory’s DFM

DFM magazine fixed mag conversion

Those of you who are “behind enemy lines” already know the difficulties inherent to legally enjoying your Second Amendment rights while simultaneously trying to stay under the radar. For those who don’t, maybe say a prayer for us stuck in hostile territory. California used to allow “Bullet Buttons”. That’s a modified mag release that only works if you use a tool, like a bullet tip, to push the mag release so you can reload. Well, now they consider that a feature and part of their AW Ban. Those who have the bullet button can be grandfathered in but they need to register their guns with the California Department of Justice. As you can expect, Californians are not too eager to register.* So, what’s the alternative? An AR fixed magazine conversion is one option. Necessity is the mother of invention, and in this case, you have to either remove features (like no pistol grip) or have a fixed magazine in order to stay compliant. The guys at Franklin Armory have made their 10 round DFM (Drop-in Fixed Magazine) an interesting and viable solution to the problem.

Franklin Armory offers an effective fix magazine conversion in the form of the DFM magazine.

Franklin Armory offers an effective fix magazine conversion in the form of the DFM magazine.

AR Fixed Magazine Conversion:

Franklin Armory DFM Magazine

At first glance, the DFM looks like any other ordinary 10rd AR15 magazine. However, the DFM features some slight but crucial changes at the back, behind the feed lips, to make it California Compliant.

Note: as of this article’s original writing, the DFM magazine was California compliant. That could change, unfortunately, so double-check local legislation before spending your money!

AR fixed magazine conversion from Franklin Armory

The DFM has these extended taps that prevent the magazine from being pulled out through the magazine well.

California compliant DFM magazine

DFM Magazine

How, why, wherefore… Well, you get it. 

So in order to install the DFM and get your California compliant AR 15 started, you have to open the action and drop the magazine into the top of the mag well.

Begin your California compliant AR 15

Pretty easy right? You can see the tabs sticking out of the back of the DMF?

Begin your California compliant AR 15

Now, something to note is that the DFM should not rest on those tabs. The magazine should rest on the magazine catch. When inserted properly, the tabs will not touch the lower receiver. If you don’t install the DFM properly, you may have feeding issues.

Converting to a California compliant AR 15

Fixed mag: no problem

Something else to note is that the DFM has an alternate feature when combined with Franklin Armory’s modified bolt catch.

Franklin Armory modified bolt catch

Here is a photo of a normal bolt catch. See the protrusion that interacts with the magazine follower? When the magazine is empty, the follower pushes the bolt catch up and that is what locks the bolt back on the last round.

The DFM can work with a traditional bolt catch but it requires you to uninstall the bolt catch to install the DFM. Then when you reinstall the bolt catch, the DFM will be truly fixed.

If you use a modified bolt catch, then you can remove the DFM. If you go outside of California to shoot your AR, then you can use regular AR15 magazines with a normal magazine release. The only downside is that your AR loses the last round bolt hold feature.

The DFM retails for $24.99 and the modified bolt catch retails for $19.99. If you combine this with those Mean Arms MA loaders then you have a compliant AR-15 that you can reload with relative ease.


Franklin Armory: read more about ’em (and their products).

California Compliant: we have some stuff for those of you with legal constraints.

Grab a gun: but hone your skills; there’s more to it than just pulling the trigger.

Nick Chen: read more of his articles.

*.And when they tried, they had their guns taken away.


GunMag TV: the GunMag Warehouse YouTube channel

Subscribe now.


Nicholas Chen is a firearm aficionado. Growing up in California, He learned about firearms and hunted with his father growing up in Southern California. Once he moved out to Pennsylvania and then spent a few years in New York State, he learned to truly appreciate firearms and the second amendment. It was in New York State where he became a USPSA competitive shooter and learned about 3Gun. He is an avid fan of running and gunning. Nicholas is a fan of pretty much anything that shoots although the slicked-up race guns are what interests him the most. Having spent time with FFLs and other friends with NFA items he has begun his collection of NFA items and has learned that everything should be suppressed and full auto where possible and legal.


  1. George Rosenberg 23 March, 2020 at 02:15 Reply

    Really? Who cares if anyone makes the effort to be Mexifornia compliant.. They voted away their “Rights”.. Next year they will be 5 rds, then single shot..

    • Mike 23 March, 2020 at 03:10 Reply

      That’s the spirit! It’s not your end of the boat that’s sinking, right? You just keep huffing and sneering at those in 2A battle states, I’m sure an anti gun victory there won’t spread to your state…keep up the good work! 😉👌

    • axeman 23 March, 2020 at 04:30 Reply

      No one voted for this. Democrat tyrants imposed these restrictions on us with little opposition. This state is overwhelmingly run by Democrats. It’s the same thing as taxation without representation.

    • Zero1 24 March, 2020 at 17:56 Reply

      Amen!!!!!!!!!!! All Arms and Ammo manufactures should Flatly refuse to sell Anything to Californians And to Any Law Enforcement officers in Commiefornia. They constantly elect these Socialist into office over and over again.

  2. Rick 23 March, 2020 at 06:12 Reply

    Just to many dickheads that own guns or a shotgun and thought they did not need an AR or 30 rd clip. When they are now taxing you and taking you stuff.
    It is now time to say BS. I need to protect my family and not worry about trashing my gun in the process of following some rules most police don’t now.
    So the dirtbags get their democratic state that has no clue to real live. When lib have no logic how can you change anything. Go after the voting validation. To much invalid votes.
    Is there not one person that can STAND UP,

Leave a reply